GB1331853A - Colour stabilization of refined dicarboxylic acids and refined dicarboxylic acid anhydrides - Google Patents
Colour stabilization of refined dicarboxylic acids and refined dicarboxylic acid anhydridesInfo
- Publication number
- GB1331853A GB1331853A GB1725571A GB1725571A GB1331853A GB 1331853 A GB1331853 A GB 1331853A GB 1725571 A GB1725571 A GB 1725571A GB 1725571 A GB1725571 A GB 1725571A GB 1331853 A GB1331853 A GB 1331853A
- Authority
- GB
- United Kingdom
- Prior art keywords
- colour
- acid
- chloride
- refined
- stabilization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000006641 stabilisation Effects 0.000 title abstract 3
- 238000011105 stabilization Methods 0.000 title abstract 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 title abstract 2
- 150000001991 dicarboxylic acids Chemical class 0.000 title abstract 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- 150000008064 anhydrides Chemical class 0.000 abstract 2
- 229910052736 halogen Inorganic materials 0.000 abstract 2
- 150000002367 halogens Chemical class 0.000 abstract 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 abstract 2
- 239000003381 stabilizer Substances 0.000 abstract 2
- ZLYYJUJDFKGVKB-OWOJBTEDSA-N (e)-but-2-enedioyl dichloride Chemical compound ClC(=O)\C=C\C(Cl)=O ZLYYJUJDFKGVKB-OWOJBTEDSA-N 0.000 abstract 1
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 abstract 1
- 229910021607 Silver chloride Inorganic materials 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000008065 acid anhydrides Chemical class 0.000 abstract 1
- HFBMWMNUJJDEQZ-UHFFFAOYSA-N acryloyl chloride Chemical compound ClC(=O)C=C HFBMWMNUJJDEQZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910001513 alkali metal bromide Inorganic materials 0.000 abstract 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 abstract 1
- 229910001616 alkaline earth metal bromide Inorganic materials 0.000 abstract 1
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229910001502 inorganic halide Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4111670A | 1970-05-27 | 1970-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1331853A true GB1331853A (en) | 1973-09-26 |
Family
ID=21914837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1725571A Expired GB1331853A (en) | 1970-05-27 | 1971-05-26 | Colour stabilization of refined dicarboxylic acids and refined dicarboxylic acid anhydrides |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5314534B1 (enrdf_load_stackoverflow) |
| BE (1) | BE767695A (enrdf_load_stackoverflow) |
| CA (1) | CA926870A (enrdf_load_stackoverflow) |
| DE (1) | DE2126246C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2093755A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1331853A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6593495B1 (en) * | 1999-01-13 | 2003-07-15 | Huntsman Petrochemical Corporation | Anhydride stabilization |
| US6730810B2 (en) | 1999-01-13 | 2004-05-04 | Huntsman Petrochemical Corporation | Anhydride stabilization |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2296218A (en) * | 1939-10-18 | 1942-09-15 | Hercules Powder Co Ltd | Purification of maleic anhydride |
| DE1088049B (de) * | 1956-03-24 | 1960-09-01 | Basf Ag | Verfahren zur Herstellung von 3, 3'-Thioaetherdicarbonsaeuren bzw. deren Estern |
| US3115477A (en) * | 1962-03-29 | 1963-12-24 | Petro Tex Chem Corp | Stabilized cyclic anhydride compositions |
| US3115503A (en) * | 1962-09-12 | 1963-12-24 | Petro Tex Chem Corp | Stabilized cyclic anhydrides |
| GB1283565A (en) * | 1968-12-30 | 1972-07-26 | Halcon International Inc | Maleic anhydride composition of improved colour stability |
| US3622600A (en) * | 1969-02-24 | 1971-11-23 | Halcon International Inc | Method for preparing color stable maleic anhydride |
| US3903117A (en) * | 1970-05-27 | 1975-09-02 | Monsanto Co | Color stabilization of refined maleic acid anhydride |
-
1971
- 1971-05-26 GB GB1725571A patent/GB1331853A/en not_active Expired
- 1971-05-26 FR FR7119070A patent/FR2093755A5/fr not_active Expired
- 1971-05-26 JP JP3668571A patent/JPS5314534B1/ja active Pending
- 1971-05-26 BE BE767695A patent/BE767695A/xx not_active IP Right Cessation
- 1971-05-26 CA CA113988A patent/CA926870A/en not_active Expired
- 1971-05-26 DE DE19712126246 patent/DE2126246C2/de not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6593495B1 (en) * | 1999-01-13 | 2003-07-15 | Huntsman Petrochemical Corporation | Anhydride stabilization |
| US6603042B2 (en) | 1999-01-13 | 2003-08-05 | Huntsman Petrochemical Corporation | Anhydride stabilization |
| US6730810B2 (en) | 1999-01-13 | 2004-05-04 | Huntsman Petrochemical Corporation | Anhydride stabilization |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2093755A5 (enrdf_load_stackoverflow) | 1972-01-28 |
| BE767695A (fr) | 1971-11-26 |
| JPS5314534B1 (enrdf_load_stackoverflow) | 1978-05-18 |
| CA926870A (en) | 1973-05-22 |
| DE2126246C2 (de) | 1986-04-24 |
| DE2126246A1 (enrdf_load_stackoverflow) | 1971-12-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |